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year | production | consumption |
1980 | 2.93 | 1.34 |
1981 | 3.02 | 1.38 |
1982 | 3.02 | 1.38 |
1983 | 3.44 | 1.47 |
1984 | 3.67 | 1.52 |
1985 | 3.77 | 1.53 |
1986 | 3.91 | 1.53 |
1987 | 4.34 | 1.56 |
1988 | 4.69 | 1.59 |
1989 | 5.59 | 1.65 |
1990 | 5.80 | 1.70 |
1991 | 6.18 | 1.61 |
1992 | 6.86 | 1.70 |
1993 | 7.12 | 1.70 |
1994 | 7.77 | 1.67 |
1995 | 8.35 | 1.78 |
1996 | 9.26 | 1.67 |
1997 | 9.58 | 1.74 |
1998 | 9.33 | 1.79 |
1999 | 9.53 | 1.87 |
2000 | 10.30 | 1.97 |
2001 | 10.30 | 1.89 |
2002 | 10.69 | 1.93 |
2003 | 10.63 | 1.80 |
2004 | 10.79 | 1.88 |
2005 | 10.66 | 1.97 |
2006 | 10.12 | 1.78 |
2007 | 9.92 | 1.93 |
2008 | 10.13 | 1.93 |
2009 | 9.88 | 1.90 |
2010 | 9.45 | 1.83 |
2011 | 9.05 | 1.80 |
2012 | 9.46 | 1.91 |
2013 | 8.97 | 1.83 |
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